The Honda B18C6 (Type R) engine is a 1.8-liter inline-four engine that was first introduced in the 1998 Honda Integra Type R.
This engine is known for its high revving capability, strong power output, and high-performance characteristics.
It’s considered one of Honda’s most iconic engines and has set a standard in the automotive industry for high-performance compact engines.
The Honda B18C6 (Type R) engine is significant in Honda’s history for its involvement in the brand’s racing and high-performance heritage.
The Type R series, which the engine is part of, is Honda’s line of high-performance vehicles that showcase the company’s engineering capabilities and push the limits of performance.
The Honda B18C6 (Type R) engine is a testament to Honda’s commitment to delivering cutting-edge technology and performance to its customers.
Honda B18C6 Engine Overview
The Honda B18C6 (Type R) engine is a 1.8-liter inline-four engine that was first introduced in the 1998 Honda Integra Type R. This engine was designed to deliver high performance, reliability, and efficiency, and it achieved this through a combination of advanced technologies and engineering design.
The engine has a displacement of 1,797 cc and a compression ratio of 11.1:1. It features a bore size of 81mm and a stroke of 87.2mm, which results in a balanced and responsive engine.
The air intake diameter is 2.4 inches, providing ample airflow to the engine, and the rod length is 137.9mm. The engine also has a rod/stroke ratio of 1.58, which allows for optimal balance and smooth operation.
The Honda B18C6 (Type R) engine produces an impressive 190 PS (140 kW; 187 hp) at 7900 RPM and 131 lb⋅ft (178 N⋅m) of torque at 7300 RPM.
This power is made possible by the engine’s high-revving capability, with a redline of 8400 RPM and a rev limit of 8600 RPM.
The VTEC (Variable Valve Timing and Lift Electronic Control) system also plays a significant role in the engine’s performance, engaging at 5900 RPM to deliver maximum power and efficiency.
The engine is paired with a S80 transmission with a limited-slip differential (LSD), providing smooth and responsive shifting and improved traction.
The engine is also equipped with an ECU (Engine Control Unit) code 37820-P73-G01, which optimizes engine performance and helps deliver the power and torque output the engine is known for.
In conclusion, the Honda B18C6 (Type R) engine is a high-performance engine that provides a perfect combination of power, reliability, and efficiency.
Its high-revving capability, VTEC system, and LSD transmission make it a standout engine in its class, and its involvement in Honda’s racing and high-performance heritage solidifies its place in automotive history.
Specification Table for B18C6 (Type R) Engine
| Specification | Value |
|---|---|
| Engine Type | DOHC VTEC |
| Found In | 1998-2001 Honda Integra Type R (UKDM/EUDM) |
| Displacement | 1,797 cc (1.8 L) |
| Compression Ratio | 11.1:1 |
| Bore | 81 mm |
| Stroke | 87.2 mm |
| Rod Length | 137.9 mm |
| Rod/Stroke Ratio | 1.58 |
| Power Output | 190 PS (140 kW; 187 hp) at 7900 RPM |
| Torque Output | 131 lb⋅ft (178 N⋅m) at 7300 RPM |
| Redline | 8400 RPM |
| Rev Limit | 8600 RPM |
| VTEC Engagement | 5900 RPM |
| Transmission | S80 w/LSD |
| ECU Code | 37820-P73-G01 |
Source: Wikipedia
Comparison With Other B18 Family Engine Like B18C1 and B18C2
The Honda B18C6 (Type R) engine is part of the B18 family of engines, which includes the B18C1 and B18C2 engines. While all three engines are similar in many ways, there are some key differences between them that set them apart.
The B18C1 is a naturally aspirated engine that was used in the 1990-2001 Honda Integra LS, RS, and GS models. It has a displacement of 1.8 liters and produces 140 horsepower at 6,600 RPM and 128 lb-ft of torque at 5,200 RPM.
The B18C1 is known for its smooth and responsive power delivery, making it a popular choice among tuners and enthusiasts.
The B18C2, on the other hand, is a high-performance engine that was used in the 1990-1993 Honda Integra GS-R. It has a similar displacement to the B18C6 (Type R), but it produces 170 horsepower at 7,800 RPM and 128 lb-ft of torque at 6,500 RPM.
The B18C2 is known for its high-revving capability and strong power output, and it was a popular choice for racers and enthusiasts.
When compared to the B18C1 and B18C2, the B18C6 (Type R) engine stands out with its high-performance capabilities. It produces more power and torque than both engines, with a maximum output of 190 PS (140 kW; 187 hp) at 7900 RPM and 131 lb⋅ft (178 N⋅m) of torque at 7300 RPM.
The B18C6 (Type R) also has a higher redline and rev limit, as well as a VTEC system that engages at a higher RPM, delivering maximum power and efficiency.
In conclusion, while all three engines are part of the B18 family, they each have their own unique characteristics and performance capabilities. The B18C6 (Type R) engine is the most high-performance engine of the three, making it a popular choice among enthusiasts and racers.
Head and Valvetrain Specs B18C6 (Type R)
The Honda B18C6 (Type R) engine features a DOHC (Double Overhead Camshaft) valvetrain, which allows for precise control of the engine’s intake and exhaust valves. This design enhances the engine’s performance, efficiency, and high-revving capabilities.
The head of the B18C6 (Type R) engine is designed to support high-performance applications, with high-flow intake ports and larger valves.
The engine uses VTEC (Variable Valve Timing and Lift Electronic Control) technology, which provides increased valve lift and duration during high-RPM operation, resulting in increased power and efficiency.
The B18C6 (Type R) engine has 4 valves per cylinder, with a total of 16 valves. The valves are actuated by hydraulic lifters and rocker arms, which are driven by the engine’s dual overhead camshafts.
The camshafts are driven by a timing belt, which synchronizes the operation of the camshafts and ensures precise control of the valvetrain.
In conclusion, the head and valvetrain design of the Honda B18C6 (Type R) engine provides high-performance capabilities, improved efficiency, and high-revving capabilities, making it a popular choice among enthusiasts and racers.
The Technologies Used in
The Honda B18C6 (Type R) engine features several advanced technologies that enhance its performance and efficiency. Some of these technologies include:
1. Vtec (Variable Valve Timing and Lift Electronic Control)
VTEC is a system that allows the engine to adjust the timing and lift of the valves based on engine RPM, providing increased power and efficiency.
2. Dohc (Double Overhead Camshaft)
The B18C6 (Type R) engine uses a DOHC design, which provides precise control of the engine’s intake and exhaust valves, resulting in improved performance and efficiency.
3. High-flow Intake Ports
The engine’s intake ports are designed to support high-performance applications, with a larger diameter and high-flow design, which enhances air flow into the engine and improves engine performance.
4. High-flow Exhaust System
The engine is equipped with a high-flow exhaust system, which helps to improve engine efficiency and reduce exhaust emissions.
5. High-performance Pistons
The B18C6 (Type R) engine features high-performance forged aluminum pistons, which are designed to withstand the high engine loads and RPMs of performance driving.
6. High-strength Connecting Rods
The engine’s connecting rods are made of high-strength materials to ensure connecting rod torque specs, which allow the engine to handle the high loads and RPMs of high-performance driving.
7. Electronic Control Unit (Ecu)
The B18C6 (Type R) engine is equipped with an advanced electronic control unit (ECU), which provides precise control of the engine’s fuel and air delivery, as well as other engine functions.
In conclusion, the Honda B18C6 (Type R) engine features several advanced technologies that enhance its performance, efficiency, and high-revving capabilities, making it a popular choice among enthusiasts and racers.
Performance Review
The Honda B18C6 (Type R) engine is well-known for its high-performance capabilities, making it a popular choice among car enthusiasts and racers. The engine features a high-revving design, with a redline of 8400 RPM and a rev limit of 8600 RPM.
The engine produces 190 PS (140 kW; 187 hp) at 7900 RPM and 131 lb⋅ft (178 N⋅m) of torque at 7300 RPM. This power is delivered in a smooth and linear fashion, making the engine a pleasure to drive.
The VTEC engagement point at 5900 RPM provides a noticeable boost in power, making the engine feel more lively and responsive.
The B18C6 (Type R) engine is paired with a S80 manual transmission, which provides a smooth and precise shifting experience. The transmission is also equipped with a limited-slip differential (LSD), which improves traction and handling.
In terms of efficiency, the B18C6 (Type R) engine delivers excellent fuel economy, thanks in part to its high-flow intake and exhaust systems, and advanced electronic control unit (ECU). This makes the engine a great choice for both performance driving and daily driving.
In conclusion, the Honda B18C6 (Type R) engine is a high-performance powerhouse, delivering excellent power, efficiency, and a high-revving design.
The engine is a popular choice among enthusiasts and racers, and its smooth and linear power delivery, paired with a smooth and precise manual transmission, make it a pleasure to drive.
What Car Did the B18C6 (Type R) Come in?
The Honda B18C6 (Type R) engine was found in the 1998-2001 Honda Integra UKDM/EUDM Type R. This compact sports car was known for its high-performance capabilities, thanks in part to its powerful B18C6 (Type R) engine.
The engine, paired with the smooth and precise S80 manual transmission, provided a thrilling driving experience, making the Integra Type R a popular choice among car enthusiasts and racers.
The engine’s high-revving design, efficient fuel economy, and advanced technologies made it a standout performer in its class.
What are The Most Common Problems with B18C6
Engine Overheating
One of the common issues with the B18C6 engine is overheating. This can be caused by a variety of factors such as clogged radiators, damaged head gaskets, and low coolant levels.
Oil Leaks
Another problem with the B18C6 engine is oil leaks, which can be caused by worn out seals, gaskets, and other engine components. This can lead to low oil levels and potentially cause engine damage.
Valve Train Wear
The B18C6 engine has hydraulic lifters, which can wear out over time, leading to increased valve train noise and decreased engine performance.
Engine Misfires
Engine misfires can be caused by a variety of issues, such as spark plug problems, fuel system issues, and worn out engine components. Misfiring can lead to decreased performance and fuel efficiency.
Ignition Coil Failure
Another issue with the B18C6 engine is ignition coil failure. This can cause problems with spark generation and engine performance, and may require the ignition coils to be replaced.
Engine Stalling
Engine stalling can occur if the throttle position sensor, idle air control valve, or other engine components are not working correctly. Stalling can be dangerous, especially while driving, and may require repair or replacement of the affected components.
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